Posted at 11.03.2018
Most countries trade more on international marketplaces today than ever before - both in total terms as a proportion of their national output. How can we make clear this phenomenal increase in international trade within the last few generations? Will the recent climb in oil prices reverse this pattern of globalization?
History provides us with an all natural comparison. From the nineteenth century, the earth saw a impressive rise in international trade that arrived to a grinding halt during World Battle I and down the road in the wake of the Great Depression. This "first influx of globalization" from about 1870 until 1913 led to a degree of international integration - measured by trade-to-output ratios - which many countries only achieved again in the mid-1990s.
Taking a comparative perspective, we juxtapose the first influx of globalization from 1870 to 1913 and the next wave after World Warfare II. We also study the retreat of world trade through the interwar period from 1921 to 1939. We are considering the driving forces behind these trade booms and trade busts. Was it changes in global end result or changes in trade costs that clarify the evolution of international trade?
International trade is exchange of capital, goods, and services across international borders or territories. In other word, to know what is happening throughout international trade, governments keep an eye on the transactions among nations.
The first theory section of this course contains explanations or reasons that trade occurs between countries. The six basic explanations why trade might take place between countries are summarized below.
Advantageous trade can occur between countries if the countries fluctuate in their technological abilities to produce goods and services.
Advantageous trade can occur between countries if the countries change in their endowments of resources. The factors talked about in the source of information endowments reason are referred to as follows:
The uneven syndication of resources throughout the world is the main one of the basic reasons why countries began and continue steadily to trade with one another.
Favorable climatic conditions and surfaces are very important for agricultural produces.
Favorable geographic location and move costs,
Insufficient creation, some countries cannot produce enough items they want.
In addition to getting the products they want, countries also want to gain financially by trading with each other.
Advantageous trade can occur between countries if needs or preferences change between countries.
The life of economies of range in production is sufficient to generate effective trade between two countries.
Government tax and subsidy programs can be sufficient to generate advantages in development of certain products.
Trade facilitation steps, industrialization, advanced infrastructure, technical progress, globalization, multinational firms, documentary treatment requirements, decrease level of regulations(tariffs and non-tariffs barriers), and outsourcing are having a major impact on the international trade system. Increasing international trade is essential to the continuance of globalization. Without international trade, countries would be limited to the goods and services produced of their own borders.
Among the factors leading/adding to the recent expansion in international trade, trade facilitation is the critical concern debated under WTO and other multinational organizations.
It is reported to be the critical issue, because it includes all other factors adding to the recent growth of international trade.
It consists of harmonization, standardization, integration, synchronisation of international trade steps.
No widely agreed definition. WTO defines it as simplification and standardization of International Trade Methods. International Trade Strategies are defined as "activities, procedures and formalities involved with collecting, presenting, communicating and handling data necessary for movement of goods in International Trade.
The mushrooming of market sectors worldwide caused by commercial revolution is another factor contributing to the recent growth in international trade. This factor is seen as a mass creation, standardized and personalized products.
It is a simple responsibility of the government to accomplish/support trade by enhancing physical, institutional and virtual infrastructures.
The physical infrastructures entail: roads, railways transportation, sea carry, air transportation, and multimodal transport.
Virtual infrastructure; this means facilitation through intermediaries such as, logistic agencies, insurance firms, and freight forwarders.
Institutional infrastructure, this involves universities/colleges, for business studies management.
The improvement of most these types of infrastructures in many countries contributes/lead to the recent expansion in international trade.
The 21st century, is the age of technological progress seen as a the stiff competition in E-commerce model, whereby the international business concentration has improved significantly.
Technological improvement has shown to be always a vital factor in expanding the market and enabling entrepreneurs to help make the most effective use of information.
Modernized industries presently are enjoying economies of scale credited to mass creation, standardized and custom-made products leading to low cost of creation and have become competitive in the global markets.
Currently, the world is linked and brought along as a tiny village; this is due to scientific improvement.
From this point of view, it is proven that scientific advancement is one of the critical factors adding to the recent development in international trade.
Globalization is integration in its theory, nowadays the world is integrated and people are connected. Goods and services are moving in one point of the world to some other in few time. From this discussion, we can say that the entire world has been converted into a sustainable village.
As a result, globalization has enjoyed a significant role in contributing rapid expansion in global trade.
These are international organizations interacting with the control of international trade guidelines and types of procedures.
Multilateral organizations that oversee Trade Facilitation include World Customs Organizations, IMF, UNCTAD, OECD, and WTO & World Bank.
The process of documentary requirements in Export-Import deals was very cumbersome, this in term of EXIM obligations, export-import permit, and global benchmarks certificate, etc.
But, scheduled to operate facilitation concept, the times of processing import goods are becoming reduced.
The relevant example is from Dar es-salaam dock, the procedures to clear import goods required three weeks to one month before years. Presently, the common times to clear cargos are 7 to 2 weeks. (That is due to execution of using new gadgets- cranes machines, and new systems- Automated System of Traditions Data-ASYCUDA by TRA).
Another example is of PERU, this country has 19 ports over the literal of the Pacific Ocean.
In these ports no effective traditions strategies. Cargo clearance time stakes about 15 to thirty days. As final result, no transparence, no uniformity and consistence.
Due to the emphasis on documentary treatment by the multilateral organizations (WTO and World Lender), the release times under these ports came up down from 15-30days up to 2-3days export-import perspective (World Bank or investment company studies on Trade facilitation, 2008).
The principal purpose of any theory of international trade is to describe the reason for trade. Two other targets of the theory of international trade are to describe the structure and level of exterior trade. A theory, which talks about these three issues: cause, structure (composition) and level of trade is conventionally reported to be a "complete" theory of international trade. Both complete ideas of international trade in existence will be the Classical (also known as Ricardian) theory and neo-classical theory.
David Ricardo, the 18th century British isles economist was the author of the classical theory of international trade and the doctrine of comparative edge. Ricardo was the first to demonstrate that external trade develops not from difference in complete advantages but from difference in comparative advantages. By "comparative edge" is intended by "greater advantage". Thus, in the context of two countries and two goods, trade would still happen even if one country was better in the production of both commodities (provided the degree of its superiority over the other country had not been identical for both commodities).
The Ricardian model focuses on comparative advantage, perhaps the most important principle in international trade theory. Inside a Ricardian model, countries specialize in producing what they produce best. Unlike other models, the Ricardian construction predicts that countries will totally specialize rather than producing a extensive selection of goods.
Also, the Ricardian model does not directly consider factor endowments, such as the relative amounts of labor and capital within a country. The primary merit of Ricardian model is the fact that it assumes technology differences between countries. Technology gap is easily included in the Ricardian and Ricardo-Sraffa model (See the Ricardian theory (modern development)).
The Ricardian model makes the next assumptions:
Labor is the only real primary suggestions to production (labor is known as to be the ultimate source of value).
Constant Marginal Product of Labor (MPL) (Labor productivity is constant, continuous returns to size, and simple technology. )
Limited amount of labor in the economy
Labor is flawlessly mobile among sectors however, not internationally.
Perfect competition (price-takers).
The Ricardian model measures in the short-run, therefore technology differs internationally. This helps the fact that countries follow their comparative benefit and permits specialization.
The Neo-classical theory of trade changed so that they can adjust some unsatisfactory areas of the traditional theory. Thus, the Neo-classical theory, also called the present day theory, advanced a more satisfactory description for the lifestyle of comparative cost distinctions between countries; released capital as another factor of production; and allowed for international variations in the pattern of demand. The Neo-classical theory is therefore a 2*2*2 model i. e. , it assumes the living of two countries, two commodities, and two factors of creation. The launch of a second factor of production turns out to every important. This makes the strategy of Neo-classical theory to be different n certain important respects from the classical theory, namely, in handling of the relationship between factor allocation, income circulation and international trade.
Inspired by Piero Sraffa, a fresh strand of trade theory surfaced and was called neo-Ricardian trade theory. The primary contributors include Ian Steedman (1941-) and Stanley Met alfe (1946-). They may have criticized neo traditional international trade theory, specifically the Heckscher-Ohlin model on the foundation that the notion of capital as most important factor has no method of measuring it before the determination of profit rate (thus captured in a reasonable vicious circle). This was a second round of the Cambridge capital controversy, this time in the field of international trade.
The merit of neo-Ricardian trade theory is that input goods are explicitly included to the analytical framework. This is in accordance with Sraffa's idea that any commodity is a product made by method of commodities. The limit of these theory is that the analysis is bound to small country circumstances.
In the early 1900s an international trade theory called factor proportions theory surfaced by two Swedish economists, Eli Heckscher and Bertil Ohlin. This theory is also known as the Heckscher-Ohlin theory. The Heckscher-Ohlin theory stresses that countries should produce and export goods that want resources (factors) that are considerable and import goods that want resources in short supply. This theory varies from the ideas of comparative gain and absolute benefit since those ideas give attention to the output of the creation process for a particular good. On the contrary, the Heckscher-Ohlin theory state governments a country should specialize in creation and export using the factors that are most numerous, and thus the lowest priced. Never to produce, as early on theories stated, the products it produces most successfully.
The Heckscher-Ohlin model was produced as an alternative to the Ricardian model of basic comparative benefit. Despite its greater complexity it did not prove a lot more accurate in its predictions. However from a theoretical point of view it did provide an fashionable solution by combining the neoclassical price mechanism into international trade theory.
The theory argues that the routine of international trade is determined by variations in factor endowments. It predicts that countries will export those goods that produce extensive use of locally numerous factors and will import goods that produce extensive use of factors that are locally scarce. Empirical issues with the H-O model, known as the Leontief paradox, were shown in empirical tests by Wassily Leontief who found that the United States tended to export labor rigorous goods despite having capital abundance.
The H-O model makes the next core assumptions:
Labor and capital movement readily between sectors
The production of shoes is labor extensive and the production of computers is capital intensive
The amount of labor and capital in two countries vary (difference in endowments)
Technology is the same across countries (long-term)
Tastes are the same.
The problem with the H-O theory is that it excludes the trade of capital goods (including materials and fuels). Within the H-O theory, labor and capital are set entities endowed to each country. In a modern current economic climate, capital goods are exchanged internationally. Profits from trade of intermediate goods are extensive, as it was emphasized by Samuelson (2001).
The Heckscher-Ohlin theory is preferred to the Ricardo theory by many economists, because it makes fewer simplifying assumptions. In 1953, Wassily Leontief posted a study, where he examined the validity of the Heckscher-Ohlin theory. The study confirmed that the U. S was more loaded in capital in comparison to other countries; which means U. S would export capital- extensive goods and import labour-intensive goods. Leontief found out that the U. S's export was less capital rigorous than transfer.
After the looks of Leontief's paradox, many analysts tried to save lots of the Heckscher-Ohlin theory, either by new ways of dimension, or either by new interpretations. Leamer emphasized that Leontief didn't interpret H- O theory properly and claimed that with a right interpretation paradox didn't take place. Brecher and Choudri discovered that, if Leamer was right, the American workers consumption per brain should be less than the employees world average ingestion.
Many other trials followed but almost all of them failed. Many famous textbook writers, including Krugman and Obstfeld and Bowen, Hollander and Viane, are negative about the validity of H-O model. . After analyzing the long history of empirical research, Bowen, Hollander and Viane concluded: "Recent exams of the factor great quantity theory [H-O theory and its developed form into many-commodity and many-factor cases] that directly analyze the H-O-V equations also point out the rejection of the idea. " Heckscher-Ohlin theory is not well adapted to analyze South-North trade problems. The assumptions of H-O are less reasonable with respect to N-S than N-N (or S-S) trade. Income distinctions between North and South is the the one that under-developed cares most. The factor price equalization [a outcome of H-O theory] has not shown much indication of realization. H-O model assumes indistinguishable creation functions between countries. That is highly unrealistic. Technological distance between developed and growing countries is the key concern of the poor countries.
In this model, labor range of motion between industries can be done while capital is immobile between business in the short-run. Thus, this model can be interpreted as a 'short run' version of the Heckscher-Ohlin model. The precise factors name refers to the given that in the short-run, specific factors of development such as physical capital aren't easily transferable between market sectors. The theory shows that when there is an increase in the price of a good, the owners of the factor of production specific to that good will income in real terms.
Additionally, owners of opposing specific factors of production (i. e. labor and capital) are likely to have opposing agendas when lobbying for handles over immigration of labor. Conversely, both owners of capital and labor income in real terms from a rise in the administrative centre endowment. This model is well suited for particular market sectors. This model is perfect for understanding income distribution but awkward for speaking about the design of trade.
New Trade Theory will try to describe empirical elements of trade that comparative advantage-based models above have difficulty with. Included in these are the fact that a lot of trade is between countries with similar factor endowment and efficiency levels, and the massive amount multinational development (i. e. overseas direct investment) which exists. New Trade ideas are often based on assumptions like monopolistic competition and increasing dividends to range. One consequence of these theories is the home-market effect, which asserts that, if a business will cluster in one location because of earnings to scale and when that industry has high vehicles costs, the industry will be positioned in the country with most of its demand to reduce the expenses.
The Gravity style of trade presents a more empirical research of trading habits rather than the more theoretical models reviewed above. The gravity model, in its basic form, predicts trade based on the distance between countries and the conversation of the countries' economic sizes. The model mimics the Newtonian regulation of gravity which also considers distance and physical size between two items. The model has shown to be empirically strong through econometric evaluation. Other factors such as income level, diplomatic relationships between countries, and trade guidelines are also included in expanded types of the model.
The Ricardian theory of comparative advantage became a simple constituent of neoclassical trade theory. Any undergraduate course in trade theory includes expansions of Ricardo's example of four numbers in the form of a two product, two country model.
This model was widened to many-country and many-commodity instances. Major basic results were obtained by the beginning of 1960's by McKenzie and Jones, including his famous method. It really is a theorem about the possible trade style for N-country N-commodity situations.
Ricardo's idea was even broadened to the truth of continuum of goods by Dornbusch, Fischer, and Samuelson. This formulation is employed for example by Matsuyama and more. These theories use the special property which is applicable only for the two countries' circumstance.
A tariff is merely a tax (duty) levied on something when it crosses national boarders (limitations). One of the most common tariff is the transfer tariff, which really is a taxes levied on imported product.
A less common tariff can be an export tariff, which is taxes imposed with an exported product.
NOTE: tariffs may be imposed for coverage or earnings purposes.
A protecting tariff is designed to insulate import fighting producers from overseas competition. Protecting tariff does pace foreign suppliers at a competitive disadvantage when retailing in the domestic market.
A earnings tariff is imposed for the purpose of generating tax income and could be located on either exports or imports
Tariffs can be specific, ad valorem, or substance.
A specific tariff is portrayed in terms of a set amount of money per physical unit of the impoted product.
For example, a US importer of any Germany computer may be required to pay a duty to the US government of $100 per computer, regardless of the computer's price.
An Advertising valorem (of value) Tariff, much just like a sales taxes, is portrayed as a set percentage of the value of the brought in product.
Suppose an ad valorem responsibility of 15% is levied on imported trucks. A US importer of japan truck appreciated at $ 20, 000 would be required to pay a duty of $ 3, 000 to the federal government (20, 000*15%) = 3, 000.
A ingredient tariff is a combo of specific and ad valorem tariffs.
For example, a US importer of any television might be required to pay a obligation of $ 20 plus 5% of the value of the tv screen.
The main objective of an import tariff is to protect domestic manufacturers from competition.
This kind of tariff rate will not always truly point out the genuine, or effective, cover given. This is because the nominal tariff rates apply only to the full total value of the final import product.
This is an signal of the genuine level of cover that a nominal tariff rate supplies the domestic import-competing producers. It signifies the full total increase in local successful activities (value added) an existing tariff composition makes possible, compared with what would occur under free-trade.
To measure the ramifications of a tariff on the nation's welfare, consider the case of a land whose imports constitute an extremely small part of the globe market resource.
This small nation will be a price taker, facing a regular world price level for its import item.
NB: for a small region, a tariff located on an brought in product is shifted totally to the domestic consumer via a higher product price. Consumer surplus falls as a result of the price increase.
The small nation's welfare decreases by an amount add up to the protective effect and consumption effect, the so called deadweight losses anticipated to a tariff.
Now consider the case of any importing region that is large enough so that changes in the number of its imports, by means of tariff policy, affect the globe price of the product.
Let's take an example of the US which is a sizable importer of autos, metallic, oil, and gadgets, and other financial giants such as Japan and the European Union (EU).
If the US imposes a tariff on vehicle imports, prices increase for American consumers. The effect is a decrease in the quantity demanded, which may be significant enough to induce Japanese firms to eliminate the prices of these exports.
NB: for a huge country, a tariff on an brought in product may be partially shifted to the local consumer via a higher product price and partially ingested by the foreign exporter via cheap.
The extent where a tariff is assimilated by the overseas exporter constitutes welfare gain for the house country. This gain offsets some (or all) of the deadweight welfare losses due to the tariff's consumption impact and protective result.
Policies other than tariffs that limit international trade. NTBs encompass a variety of options. Some have unimportant trade implications; for example, labeling and packaging requirements can limit trade, but generally only marginally. Other NTBs significantly influence trade habits;
Voluntary export restraints (VERs),
Domestic content requirements.
These NTBs are designed to reduce imports and therefore benefit domestic producers.
In its broadest sense, Globalization refers to the broadening set of interdependent romantic relationships among people from different parts of the world that happens to be split into nations. The term sometimes identifies the integration of world economies through the reduction of barriers to the motion of trade, capital, technology, and folks. Throughout record record, human contacts over ever wider geographic areas have broadened all of the resources, products, services, and markets open to consumers. We have altered just how we wish and be prepared to live, and we've become more deeply damaged (favorably and negatively) by conditions beyond our immediate domains.
Globalization permits us to get more variety, better quality, or lower prices. Our day to day meals, for example, contain spices that aren't grown domestically and fresh produced that are out of season in a single local environment or another.
Measuring globalization, specifically for historical comparisons, is problematic. First, the degree of two countries' interdependence must be measured indirectly. Secondly, when national boundaries switch (consider the breakup of the former Soviet Union or the reunification of East and West Germany), domestic business transaction can become international trades or vice versa. Nevertheless, various indicators assure us that globalization has been increasing.
Currently, about twenty five percent of the world production is sold outside its country of source, as opposed to about 7percent in 1950. Constraints on imports have been decreasing, and foreign ownership of property as ratio of world creation has been increasing. In almost annually since World Warfare II, world trade has grown rapidly than world production.
At enough time, however, globalization is less pervasive than you may suppose. A lot of the entire world, for example (especially in rural Africa, Asia, and Latin America), lacks the resources to determine more than the barest connection with anyone beyond the outskirts of the isolated worlds. Just a few countries-mainly really small ones-either sell over half their creation abroad or rely upon foreign productivity for over half their intake. What this means is that most of the world's goods and services are still bought from the countries where these are produced. Moreover, the main way to obtain capital in most countries is home rather than international.
Granted, these measurements solve only economic aspects of global interdependence. Various other analysis studies have relied on different indicators for comparison. One of the most extensive is the A. T. Kearney/Foreign Insurance policy Globalization Index, which ultimately shows not only that some countries will be more globalized than others but also a given country may be highly globalized on one dimension rather than on another. This index rates 62 countries across four measurements:
Economic-international trade and investment
Personal contact-international travel and tourism, international telephone traffic, and personal transfers of cash internationally.
Political-participation in international organizations and government financial transfers.
In modern times, the index has positioned Singapore and Switzerland as the utmost globalized countries and India and Iran as minimal globalized. The rating of the United States, for example, shows how globalization can differ by sizing: The United States ranks first on technology size but only 58th on the economic.
What factors have added to the increased growth in globalization in recent generations? Most analysts cite the next seven factors:
Increase in and expansion of technology,
Liberalization of cross-border trade and tool movements,
Development of services that support international business,
Growing consumer pressures,
Increased global completion,
Changing politics situations,
Expanded cross-national cooperation.
Although we have discussed seven broad reasons for the increase in international business and globalization, we should remember that the results of these trends remain controversial. To thwart the globalization process, anti-globalization makes regularly protest international conferences (sometimes with attendant assault). There are plenty of essential issues, but we give attention to the three wide-ranging categories: risks to nationwide sovereignty (i. e. countries lose sovereignty), growth and environmental stress (I. e. the resultant expansion hurts the environment), and growing income inequality (i. e. some individuals lose both relatively and absolutely).
You probably heard the slogan "Think globally act locally". In essence, this means that the accommodation of local interest should prevail over global pursuits. Some observers get worried that the proliferation of international contracts, particularly those that eliminate local constraints about how good are bought and sold, will diminishing a nation's sovereignty- that is, a nation's independence to "act locally" and without externally enforced restrictions.
Much anti-globalization criticisms revolve around issues of monetary growth. According to one debate, as globalization brings expansion, it consumes more nonrenewable natural resources and boosts environmental destruction- despoliation through toxic and pesticide runoffs into rivers and oceans, polluting of the environment from factories and vehicle emissions, and deforestation that can affect weather and climate.
In measuring monetary well-being, we should look not only at our absolute situations but also at how well we're doing compared to the economic well-being of others. We generally don't find our financial position satisfactory unless we're doing better and keeping up with others.
When pursuing international business, an organization must choose one of the suitable modes of operations. Among these settings we include exports and imports of both merchandise and service and international investments, both managed and non-controlled. Within these categories we include several subcategories, such as joint projects and management agreements,
Pursuing international sales usually escalates the potential market and potential income. Foreign sources can provide companies:
New or better products,
Additional operating knowledge.
This essay focuses only on the factors adding to the recent growth in International Trade. It has been arranged into four areas; whereby section I includes the idea of international trade, section II includes factors contributing to the recent progress in international trade. Section III includes the theories of international trade, the idea of trade tariff and non-tariff barriers, welfare effects on small and large countries, mode of operations, and globalization as a whole in its concept of integration, and lastly, section IV includes conclusion and advice remarks of the essay.
Through different contexts in this article, it's proven that International trade functions as an engine motor of growth in growing country. There are various areas where the value of trade can be founded. Perhaps the most critical of the areas concerns economical growth. During the 19th and 20th centuries, trade has enjoyed a leading role in causing global economic growth. Furthermore to its role as an "engine of expansion" for the globe market, international trade in addition has played out a pivotal role in causing rapid economic expansion and development in a number of countries. The 19th century was perhaps the important century for (main product) export-led growth.
The lifting of trade barriers should not be accompanied by the benefits of new ones" - should be altered to indicate that, after many years of market distortions favoring developed countries, some type of medium-term investment/tariff/subsidy policy will be necessary to enable expanding countries to generate their effective capacity, meet their food security needs, and generate surpluses for international market segments.
Similarly the demands elimination of productivity and export subsidies in developed countries' agriculture, and of their trade barriers to expanding country processing exports should also be positive. However, these commitments would be strengthened by reference to the necessity for concrete insurance policies designed to boost local profitable capacity in growing countries. Distinction should also be drawn between your reduction of developed country export subsidies and the proposal for export credits to activate infrastructure investment in growing countries.
A Draft should be made to commit UN agencies to "ensuring increased plan coherence and better co-operation among UN, its firms, the Breton Woods Companies and the earth Trade Organization, and also other multilateral body", to be able to better provide global general population goods and consolidate the international economic climate. It should be strengthened to notice that the primary goal of enhanced coherence is "development, " as defined and measured by the UN human being rights construction. Such organizations (the Breton Woods Institutions and the earth Trade Company) should serve to aid nationally-designed development strategies, somewhat than undermining them.
To end this, it is therefore imperative that mindful efforts should be made by authorities to fine-tune the various policy measures associated with the various macroeconomic variables to be able to offer an allowing environment to stimulate international trade.
Anderson, James; van Wincoop, Eric. "Gravity with Gravitas: A Solution to the Boundary Puzzle. " American Economic Review 93(1), March 2003, pp. 170-192.
Anderson, James; van Wincoop, Eric. "Trade Costs. " Journal of Economic Literature XLII, Sept 2004, pp. 691-751.
Hummels, David; Ishii, Jun; Yi, Kei-Mu. "THE TYPE and Development of Vertical Specialization in World Trade. " Journal of International Economics 54, 2001, pp. 75-96.
International Business, Surroundings and Businesses, 12th Edition, Pearson International Release.
"The Globalization index", Foreign coverage, (November-December, 2006):75-81.
Jacks, David; Meissner, Christopher; Novy, Dennis. "Trade Costs, 1870-2000. " American Economic Review 98(2), Paperwork & Proceedings, May 2008, pp. 529-534.
Jacks, David; Pendakur, Krishna. "Global Trade and the Maritime Move Revolution. " National Bureau of Economic Research Working Paper No. 14139, June 2008.
Levinson, Marc. The Package: The way the Shipping Pot Made the planet Smaller and the earth Market Bigger. Princeton University Press, 2006.
Novy, Dennis. "Gravity Redux: Measuring International Trade Costs with -panel Data. " Working Paper, Warwick School, 2008.
Yi, Kei-Mu. "Can Vertical Specialization Explain the Progress of World Trade?" Journal of Political Economy 111(1), 2003, pp. 52-102.
Milton Iyoha (2003) Macroeconomic: Theory and Practice, Mindex publishing Benin City, Edo Status. Pp 142-166
United Nations Convention on Trade and Development (UNCTD). 2005, developing countries in international trade: trade and development index 2005 us NY and Geneva, 2005.
WTO records on "Trade facilitation", 2009.
http://www. coc. org/ffd/ffd. htm